Intangible Assets and Goodwill - Schedule of Goodwill (Details) - USD ($)	Oct. 31, 2017	Oct. 31, 2016
Goodwill net	$ 3,382,108	$ 3,382,108
Coda Octopus Colmek Inc [Member]
Goodwill net	2,038,669	2,038,669
Coda Octopus Products Ltd [Member]
Goodwill net	62,315	62,315
Coda Octopus Martech Ltd [Member]
Goodwill net	998,591	998,591
Coda Octopus Martech Ltd (from Dragon Design Ltd Acquisition) [Member]
Goodwill net	$ 282,533
Coda Octopus Martech Ltd (from Dragon Design Ltd Acquisition) [Member]
Goodwill net		$ 282,533

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

Name:	us-gaap_Goodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant